<div class="Tab"><img src="images/logo.jpg" alt="logo" class="left" />
  <div class="Tab_right">
    <form id="form1" name="form1" method="post" action="login.php">
    <p><strong>Welcome To The Community</strong> <span class="STYLE2">（Join Now）</span>
         &nbsp;&nbsp;&nbsp;<a class="yy4" href="#">Forget your password ?</a>
    </p>
    <p class="z1">Usename:
      <label>
      <input type="text" name="login_email" id="login_email" style="width:100px;" class="biao" />
      </label>
    &nbsp;&nbsp;Password:
    <label>
    <input type="password" name="login_passwd" id="login_passwd" style="width:100px;" class="biao" />
    </label>
    &nbsp;<input type="image" src="images/3409384923.jpg" align="absmiddle" width="55px" height="26px" onsubmit="javascript:return login();" /></p>
    </form>
  </div>
</div>
<div class="mainnve">
 <ul class="mainnve2">
    <li id="v3"><a class="y1" href="index.php">Home</a></li> <li><a class="y" href="Raw_materials.html">How it works</a></li>
    <li><a class="y" href="About_us.html">About us</a></li>
    <li><a class="y" href="Contact_us.html">Contact us</a></li>
    <li><a class="y" href="#">Sitemap</a></li>
    <li><a class="y" href="#">News</a></li>
  </ul>
  
  <ul class="mainnve3">
    <li id="v4"><a  href="reg.php" class="y2" >Registration</a></li>
  </ul>
</div>